Page 104 - Pharmacognosy 2 PG303
P. 104
Pharmacognosy-2 (PG303) Level 2 Clinical Pharmacy-Pharm D
6- Atactostele: it is a very complex stele composed of scattered vascular bundles, as in
Monocots.
Steller tissues:
1- Pericycle: it is the outermost sheath of stele which may be:
- Parenchymatous e.g. Cinchona.
- Complete or interrupted ring of fibers e.g. Solanum.
- Sclerenchymatous e.g. cinnamon.
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